-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
- */
-/*
- * Copyright (c) 2011 Whamcloud, Inc.
+ *
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
ASYNC_HP = 0x10,
};
-struct obd_async_page_ops {
- int (*ap_make_ready)(const struct lu_env *env, void *data, int cmd);
- int (*ap_refresh_count)(const struct lu_env *env, void *data, int cmd);
- int (*ap_completion)(const struct lu_env *env,
- void *data, int cmd, struct obdo *oa, int rc);
-};
-
struct osc_async_page {
int oap_magic;
unsigned short oap_cmd;
unsigned short oap_interrupted:1;
cfs_list_t oap_pending_item;
- cfs_list_t oap_urgent_item;
cfs_list_t oap_rpc_item;
obd_off oap_obj_off;
struct ptlrpc_request *oap_request;
struct client_obd *oap_cli;
- struct lov_oinfo *oap_loi;
+ struct osc_object *oap_obj;
- const struct obd_async_page_ops *oap_caller_ops;
- void *oap_caller_data;
- cfs_list_t oap_page_list;
- struct ldlm_lock *oap_ldlm_lock;
- cfs_spinlock_t oap_lock;
+ struct ldlm_lock *oap_ldlm_lock;
+ spinlock_t oap_lock;
};
#define oap_page oap_brw_page.pg
#define oap_brw_flags oap_brw_page.flag
struct osc_cache_waiter {
- cfs_list_t ocw_entry;
- cfs_waitq_t ocw_waitq;
- struct osc_async_page *ocw_oap;
- int ocw_rc;
+ cfs_list_t ocw_entry;
+ wait_queue_head_t ocw_waitq;
+ struct osc_async_page *ocw_oap;
+ int ocw_grant;
+ int ocw_rc;
};
-#define OSCC_FLAG_RECOVERING 0x01
-#define OSCC_FLAG_CREATING 0x02
-#define OSCC_FLAG_NOSPC 0x04 /* can't create more objects on OST */
-#define OSCC_FLAG_SYNC_IN_PROGRESS 0x08 /* only allow one thread to sync */
-#define OSCC_FLAG_LOW 0x10
-#define OSCC_FLAG_EXITING 0x20
-#define OSCC_FLAG_DEGRADED 0x40
-#define OSCC_FLAG_RDONLY 0x80
-#define OSCC_FLAG_NOSPC_BLK 0x100 /* no more block space on OST */
-
-int osc_precreate(struct obd_export *exp);
-int osc_create(struct obd_export *exp, struct obdo *oa,
- struct lov_stripe_md **ea, struct obd_trans_info *oti);
-int osc_create_async(struct obd_export *exp, struct obd_info *oinfo,
- struct lov_stripe_md **ea, struct obd_trans_info *oti);
+int osc_create(const struct lu_env *env, struct obd_export *exp,
+ struct obdo *oa, struct lov_stripe_md **ea,
+ struct obd_trans_info *oti);
int osc_real_create(struct obd_export *exp, struct obdo *oa,
struct lov_stripe_md **ea, struct obd_trans_info *oti);
-void oscc_init(struct obd_device *obd);
void osc_wake_cache_waiters(struct client_obd *cli);
-int osc_shrink_grant_to_target(struct client_obd *cli, long target);
+int osc_shrink_grant_to_target(struct client_obd *cli, __u64 target_bytes);
+void osc_update_next_shrink(struct client_obd *cli);
/*
* cl integration.
extern struct ptlrpc_request_set *PTLRPCD_SET;
int osc_enqueue_base(struct obd_export *exp, struct ldlm_res_id *res_id,
- int *flags, ldlm_policy_data_t *policy,
+ __u64 *flags, ldlm_policy_data_t *policy,
struct ost_lvb *lvb, int kms_valid,
obd_enqueue_update_f upcall,
void *cookie, struct ldlm_enqueue_info *einfo,
struct lustre_handle *lockh,
- struct ptlrpc_request_set *rqset, int async);
+ struct ptlrpc_request_set *rqset, int async, int agl);
int osc_cancel_base(struct lustre_handle *lockh, __u32 mode);
int osc_match_base(struct obd_export *exp, struct ldlm_res_id *res_id,
- __u32 type, ldlm_policy_data_t *policy, __u32 mode,
- int *flags, void *data, struct lustre_handle *lockh,
- int unref);
+ __u32 type, ldlm_policy_data_t *policy, __u32 mode,
+ __u64 *flags, void *data, struct lustre_handle *lockh,
+ int unref);
int osc_setattr_async_base(struct obd_export *exp, struct obd_info *oinfo,
struct obd_trans_info *oti,
int osc_punch_base(struct obd_export *exp, struct obd_info *oinfo,
obd_enqueue_update_f upcall, void *cookie,
struct ptlrpc_request_set *rqset);
+int osc_sync_base(struct obd_export *exp, struct obd_info *oinfo,
+ obd_enqueue_update_f upcall, void *cookie,
+ struct ptlrpc_request_set *rqset);
-int osc_prep_async_page(struct obd_export *exp, struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, cfs_page_t *page,
- obd_off offset, const struct obd_async_page_ops *ops,
- void *data, void **res, int nocache,
- struct lustre_handle *lockh);
-void osc_oap_to_pending(struct osc_async_page *oap);
-int osc_oap_interrupted(const struct lu_env *env, struct osc_async_page *oap);
-void loi_list_maint(struct client_obd *cli, struct lov_oinfo *loi);
-void osc_check_rpcs(const struct lu_env *env, struct client_obd *cli);
-
-int osc_queue_async_io(const struct lu_env *env, struct obd_export *exp,
- struct lov_stripe_md *lsm, struct lov_oinfo *loi,
- struct osc_async_page *oap, int cmd, int off,
- int count, obd_flag brw_flags, enum async_flags async_flags);
-int osc_teardown_async_page(struct obd_export *exp, struct lov_stripe_md *lsm,
- struct lov_oinfo *loi, struct osc_async_page *oap);
int osc_process_config_base(struct obd_device *obd, struct lustre_cfg *cfg);
-int osc_set_async_flags_base(struct client_obd *cli,
- struct lov_oinfo *loi, struct osc_async_page *oap,
- obd_flag async_flags);
-int osc_enter_cache_try(const struct lu_env *env,
- struct client_obd *cli, struct lov_oinfo *loi,
- struct osc_async_page *oap, int transient);
+int osc_build_rpc(const struct lu_env *env, struct client_obd *cli,
+ cfs_list_t *ext_list, int cmd, pdl_policy_t p);
+int osc_lru_shrink(struct client_obd *cli, int target);
-struct cl_page *osc_oap2cl_page(struct osc_async_page *oap);
-extern cfs_spinlock_t osc_ast_guard;
+extern spinlock_t osc_ast_guard;
int osc_cleanup(struct obd_device *obd);
int osc_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
static inline int osc_recoverable_error(int rc)
{
- return (rc == -EIO || rc == -EROFS || rc == -ENOMEM || rc == -EAGAIN);
+ return (rc == -EIO || rc == -EROFS || rc == -ENOMEM ||
+ rc == -EAGAIN || rc == -EINPROGRESS);
+}
+
+static inline unsigned long rpcs_in_flight(struct client_obd *cli)
+{
+ return cli->cl_r_in_flight + cli->cl_w_in_flight;
}
#ifndef min_t
int osc_dlm_lock_pageref(struct ldlm_lock *dlm);
-int osc_quota_init(void);
-int osc_quota_exit(void);
+extern struct kmem_cache *osc_quota_kmem;
+struct osc_quota_info {
+ /** linkage for quota hash table */
+ cfs_hlist_node_t oqi_hash;
+ obd_uid oqi_id;
+};
+int osc_quota_setup(struct obd_device *obd);
int osc_quota_cleanup(struct obd_device *obd);
int osc_quota_setdq(struct client_obd *cli, const unsigned int qid[],
obd_flag valid, obd_flag flags);
int osc_quotacheck(struct obd_device *unused, struct obd_export *exp,
struct obd_quotactl *oqctl);
int osc_quota_poll_check(struct obd_export *exp, struct if_quotacheck *qchk);
-int osc_quota_adjust_qunit(struct obd_export *exp,
- struct quota_adjust_qunit *oqaq,
- struct lustre_quota_ctxt *qctxt,
- struct ptlrpc_request_set *rqset);
+
+void osc_inc_unstable_pages(struct ptlrpc_request *req);
+void osc_dec_unstable_pages(struct ptlrpc_request *req);
+int osc_over_unstable_soft_limit(struct client_obd *cli);
#endif /* OSC_INTERNAL_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff